<script setup lang="ts">
import { getGoodsByIdAPI } from '@/services/goods'
import type { GoodsResult } from '@/types/goods'
import ServicePanel from './component/ServicePanel.vue'
import AddressPanel from './component/AddressPanel.vue'
import { onLoad, onShow } from '@dcloudio/uni-app'
import { computed, ref } from 'vue'
import Skeleton from './component/Skeleton.vue'
import type {
  SkuPopupEvent,
  SkuPopupLocaldata,
} from '@/components/vk-data-goods-sku-popup/vk-data-goods-sku-popup'
import { addCartAPI } from '@/services/cart'
import { userAddressStore } from '@/stores/modules/address'
// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getSystemInfoSync()

// 接收页面参数
const query = defineProps<{
  id: string
}>()
const currentIndex = ref(0)
//接收商品详情对象
const goods = ref<GoodsResult>()
//根据商品id得到商品详情信息
const getGoodsByIdData = async () => {
  const res = await getGoodsByIdAPI(query.id)
  goods.value = res.result
  //取出goods中的sku信息
  skuList.value = {
    sku_list: [],
    spec_list: [],
    name: goods.value!.name,
    _id: goods.value!.id,
    goods_thumb: goods.value!.mainPictures[0],
  }
  if (goods.value?.skus) {
    goods.value?.skus.forEach((item) => {
      skuList.value!.sku_list.push({
        _id: item.id,
        goods_id: res.result.id,
        goods_name: goods.value!.name,
        image: item.picture,
        price: item.price * 100,
        sku_name_arr: item.specs.map((item) => item.valueName),
        //库存
        stock: item.inventory,
      })
    })
  }

  if (goods.value?.specs) {
    goods.value?.specs.forEach((item) => {
      skuList.value!.spec_list.push({
        name: item.name,
        list: item.values,
      })
    })
  }
}

//current改变时候进行触发  ev轮播图当前相关信息，存储在这里面
const changeSwiper: UniHelper.SwiperOnChange = (ev) => {
  //进行动态的改变当前页码 将轮播图当前位置，赋值给currentIndex
  currentIndex.value = ev.detail.current
}

//点击轮播图图片，进行放大
const onPreviewImage = (url: string) => {
  uni.previewImage({
    //goods.value!.mainPictures 排除了不为空的情况
    urls: goods.value!.mainPictures,
    // 当前大图显示图片的http链接
    current: url,
  })
}

//uni-ui弹出层组件 ref
const popupRef = ref<{
  open: (type?: UniHelper.UniPopupType) => void
  close: () => void
}>()
//弹出层条件渲染
const popupName = ref<'address' | 'service'>()
const openPopup = (name: typeof popupName.value) => {
  //修改弹出层条件渲染名称
  popupName.value = name
  popupRef.value?.open()
}

const isLoading = ref(true)
// 页面加载
onLoad(async () => {
  isLoading.value = true
  await getGoodsByIdData()
  isLoading.value = false
})

//sku弹框显示
const isShowSku = ref(false)

//sku组件数据存储
const skuList = ref({} as SkuPopupLocaldata)
//sku组件控制显示购物车/立即购买
enum skuModeEnum {
  Both = 1,
  Cart = 2,
  Buy = 3,
}
const skuMode = ref<skuModeEnum>(skuModeEnum.Both)
//skuRef
const skuPopupRef = ref()

//计算被选择的值 通过computed 来动态计算
const selectArrText = computed(() => {
  //trim() 是一个字符串方法，用于移除字符串两端的空白字符（包括空格、制表符、换页符等）
  return skuPopupRef.value?.selectArr?.join(' ').trim() || '请选择商品规格'
})

//打开Sku弹窗事件
const openSkuPopup = (val: skuModeEnum) => {
  isShowSku.value = true
  skuMode.value = val
}

//点击加入购物车
const addCart = async (ev: SkuPopupEvent) => {
  let params = {
    skuId: ev._id,
    count: ev.buy_num,
  }
  const res = await addCartAPI(params)
  if (res.code == '1') {
    uni.showToast({
      title: '加入购物车成功',
      icon: 'success',
    })
    //0.3秒后关闭sku弹窗
    setTimeout(() => {
      isShowSku.value = false
    }, 500)
    //让弹窗从下面慢慢消失
  }
}

const addressStore = userAddressStore()

//通过vue计算属性，动态计算默认选择的地址信息
const defaultAddress = computed(() => {
  return addressStore.selectAddress || goods.value?.userAddresses.find((v) => v.isDefault)
})

//立即购买
const buyNow = async (ev: SkuPopupEvent) => {
  //前往订单确认页面，并且将参数传递过去
  uni.navigateTo({
    url: `/pagesOrder/create/create?skuId=${ev._id}&count=${ev.buy_num}`,
  })
}

const addressPanelRef = ref()
</script>

<template>
  <!-- SKU弹窗 -->
  <vk-data-goods-sku-popup
    ref="skuPopupRef"
    v-model="isShowSku"
    border-radius="20"
    :z-index="990"
    :localdata="skuList"
    :mode="skuMode"
    :safe-area-inset-bottom="true"
    add-cart-background-color="#ffa96a"
    buy-now-background-color="#27ba9b"
    :actived-style="{
      color: '#27BA9B',
      borderColor: '#27BA9B',
      backgroundColor: '#E9F8F5',
    }"
    @addCart="addCart"
    @buyNow="buyNow"
  ></vk-data-goods-sku-popup>

  <Skeleton v-if="isLoading" />
  <view v-else>
    <scroll-view scroll-y class="viewport">
      <!-- 基本信息 -->
      <view class="goods">
        <!-- 商品主图 -->
        <view class="preview">
          <swiper :current="currentIndex" @change="changeSwiper" circular>
            <swiper-item v-for="item in goods?.mainPictures" :key="item">
              <image @tap="onPreviewImage(item)" class="image" mode="aspectFill" :src="item" />
            </swiper-item>
          </swiper>
          <view class="indicator">
            <text class="current">{{ currentIndex + 1 }}</text>
            <text class="split">/</text>
            <text class="total">{{ goods?.mainPictures.length }}</text>
          </view>
        </view>

        <!-- 商品简介 -->
        <view class="meta">
          <view class="price">
            <text class="symbol">¥</text>
            <text class="number">{{ goods?.price }}</text>
          </view>
          <view class="name ellipsis">{{ goods?.name }}</view>
          <view class="desc"> {{ goods?.desc }} </view>
        </view>

        <!-- 操作面板 -->
        <view class="action">
          <view class="item arrow" @tap="openSkuPopup(skuModeEnum.Both)">
            <text class="label">选择</text>
            <text class="text ellipsis"> {{ selectArrText }} </text>
          </view>
          <view @tap="openPopup('address')" class="item arrow">
            <text class="label">送至</text>
            <text class="text ellipsis">
              {{
                defaultAddress
                  ? defaultAddress.provinceCode +
                    defaultAddress.cityCode +
                    defaultAddress.countyCode +
                    defaultAddress.address
                  : '请选择收获地址'
              }}
            </text>
          </view>
          <view class="item arrow" @tap="openPopup('service')">
            <text class="label">服务</text>
            <text class="text ellipsis"> 无忧退 快速退款 免费包邮 </text>
          </view>
        </view>
      </view>

      <!-- 商品详情 -->
      <view class="detail panel">
        <view class="title">
          <text>详情</text>
        </view>
        <view class="content">
          <view class="properties">
            <!-- 属性详情 -->
            <view class="item" v-for="item in goods?.details?.properties" :key="item.name">
              <text class="label">{{ item.name }}</text>
              <text class="value">{{ item.value }}</text>
            </view>
          </view>
          <!-- 图片详情 -->

          <image
            v-for="item in goods?.details?.pictures"
            :key="item"
            mode="widthFix"
            :src="item"
          ></image>
        </view>
      </view>

      <!-- 同类推荐 -->
      <view class="similar panel">
        <view class="title">
          <text>同类推荐</text>
        </view>
        <view class="content">
          <navigator
            v-for="item in goods?.similarProducts"
            :key="item.id"
            class="goods"
            hover-class="none"
            :url="`/pages/goods/goods?id=${item.id}`"
          >
            <image class="image" mode="aspectFill" :src="item.picture"></image>
            <view class="name ellipsis">{{ item.name }}</view>
            <view class="price">
              <text class="symbol">¥</text>
              <text class="number">{{ item.price }}</text>
            </view>
          </navigator>
        </view>
      </view>
    </scroll-view>

    <!-- 用户操作 -->
    <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
      <view class="icons">
        <button class="icons-button"><text class="icon-heart"></text>收藏</button>
        <button class="icons-button" open-type="contact">
          <text class="icon-handset"></text>客服
        </button>
        <!-- open-type:设置跳转方式 -->
        <navigator class="icons-button" url="/pages/cart/cart2" open-type="navigate">
          <text class="icon-cart"></text>购物车
        </navigator>
      </view>
      <view class="buttons">
        <view class="addcart" @tap="openSkuPopup(skuModeEnum.Cart)"> 加入购物车 </view>
        <view class="buynow" @tap="openSkuPopup(skuModeEnum.Buy)"> 立即购买 </view>
      </view>
    </view>
  </view>

  <!-- uni-ui弹出层  background-color 弹出层背景颜色 type设置默认弹出方向-->
  <uni-popup ref="popupRef" type="bottom" background-color="#fff">
    <view v-if="popupName == 'service'">
      <ServicePanel @close="popupRef?.close()" />
    </view>
    <view v-if="popupName == 'address'">
      <AddressPanel ref="addressPanelRef" @close="popupRef?.close" />
    </view>
    <button class="cannerButton" hover-class="button-hover" @tap="popupRef?.close">关闭</button>
  </uni-popup>
</template>

<style lang="scss">
page {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.viewport {
  background-color: #f4f4f4;
}
.panel {
  margin-top: 20rpx;
  background-color: #fff;
  .title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90rpx;
    line-height: 1;
    padding: 30rpx 60rpx 30rpx 6rpx;
    position: relative;
    text {
      padding-left: 10rpx;
      font-size: 28rpx;
      color: #333;
      font-weight: 600;
      border-left: 4rpx solid #27ba9b;
    }
    navigator {
      font-size: 24rpx;
      color: #666;
    }
  }
}

.arrow {
  &::after {
    position: absolute;
    top: 50%;
    right: 30rpx;
    content: '\e6c2';
    color: #ccc;
    font-family: 'erabbit' !important;
    font-size: 32rpx;
    transform: translateY(-50%);
  }
}

/* 商品信息 */
.goods {
  background-color: #fff;
  .preview {
    height: 750rpx;
    position: relative;
    .image {
      width: 750rpx;
      height: 750rpx;
    }
    .indicator {
      height: 40rpx;
      padding: 0 24rpx;
      line-height: 40rpx;
      border-radius: 30rpx;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      background-color: rgba(0, 0, 0, 0.3);
      position: absolute;
      bottom: 30rpx;
      right: 30rpx;
      .current {
        font-size: 26rpx;
      }
      .split {
        font-size: 24rpx;
        margin: 0 1rpx 0 2rpx;
      }
      .total {
        font-size: 24rpx;
      }
    }
  }
  .meta {
    position: relative;
    border-bottom: 1rpx solid #eaeaea;
    .price {
      height: 130rpx;
      padding: 25rpx 30rpx 0;
      color: #fff;
      font-size: 34rpx;
      box-sizing: border-box;
      background-color: #35c8a9;
    }
    .number {
      font-size: 56rpx;
    }
    .brand {
      width: 160rpx;
      height: 80rpx;
      overflow: hidden;
      position: absolute;
      top: 26rpx;
      right: 30rpx;
    }
    .name {
      max-height: 88rpx;
      line-height: 1.4;
      margin: 20rpx;
      font-size: 32rpx;
      color: #333;
    }
    .desc {
      line-height: 1;
      padding: 0 20rpx 30rpx;
      font-size: 24rpx;
      color: #cf4444;
    }
  }
  .action {
    padding-left: 20rpx;
    .item {
      height: 90rpx;
      padding-right: 60rpx;
      border-bottom: 1rpx solid #eaeaea;
      font-size: 26rpx;
      color: #333;
      position: relative;
      display: flex;
      align-items: center;
      &:last-child {
        border-bottom: 0 none;
      }
    }
    .label {
      width: 60rpx;
      color: #898b94;
      margin: 0 16rpx 0 10rpx;
    }
    .text {
      flex: 1;
      -webkit-line-clamp: 1;
    }
  }
}

/* 商品详情 */
.detail {
  padding-left: 20rpx;
  .content {
    margin-left: -20rpx;
    .image {
      width: 100%;
    }
  }
  .properties {
    padding: 0 20rpx;
    margin-bottom: 30rpx;
    .item {
      display: flex;
      line-height: 2;
      padding: 10rpx;
      font-size: 26rpx;
      color: #333;
      border-bottom: 1rpx dashed #ccc;
    }
    .label {
      width: 200rpx;
    }
    .value {
      flex: 1;
    }
  }
}

/* 同类推荐 */
.similar {
  .content {
    padding: 0 20rpx 200rpx;
    background-color: #f4f4f4;
    display: flex;
    flex-wrap: wrap;
    .goods {
      width: 340rpx;
      padding: 24rpx 20rpx 20rpx;
      margin: 20rpx 7rpx;
      border-radius: 10rpx;
      background-color: #fff;
    }
    .image {
      width: 300rpx;
      height: 260rpx;
    }
    .name {
      height: 80rpx;
      margin: 10rpx 0;
      font-size: 26rpx;
      color: #262626;
    }
    .price {
      line-height: 1;
      font-size: 20rpx;
      color: #cf4444;
    }
    .number {
      font-size: 26rpx;
      margin-left: 2rpx;
    }
  }
  navigator {
    &:nth-child(even) {
      margin-right: 0;
    }
  }
}

/* 底部工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx var(--window-bottom);
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;
  .buttons {
    display: flex;
    & > view {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
    }
    .addcart {
      background-color: #ffa868;
    }
    .buynow,
    .payment {
      background-color: #27ba9b;
      margin-left: 20rpx;
    }
  }
  .icons {
    padding-right: 10rpx;
    display: flex;
    align-items: center;
    flex: 1;
    .icons-button {
      flex: 1;
      text-align: center;
      line-height: 1.4;
      padding: 0;
      margin: 0;
      border-radius: 0;
      font-size: 20rpx;
      color: #333;
      background-color: #fff;
      &::after {
        border: none;
      }
    }
    text {
      display: block;
      font-size: 34rpx;
    }
  }
}
// 弹出层关闭按钮样式
.cannerButton {
  text-align: center;
  line-height: 72rpx;
  color: #fff;
  border-radius: 72rpx;
  background-color: #27ba9b;
}
</style>
